Littmann Master Cardiology Stethoscope Black
http://www.amazon.co.uk/dp/B000F4W1GW?tag=dedik-21
Feature
* Chestpiece delivers Littmann's acoustic performance along with handcrafted, eye-catching design
* Tunable diaphragm responds with a simple pressure change to capture low and high-frequency sounds
* Two-in-one tube design (dual lumen) eliminates noise interference from two external tubes rubbing together
* Anatomically designed headset is angled to meet the path of the ear canal
http://www.amazon.co.uk/dp/B000F4W1GW?tag=dedik-21
